Formatting improvement in uploads.md

doc/administration/uploads.md

@@ -55,7 +55,7 @@ _The uploads are stored by default in
 >
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/3867) in GitLab 10.5.
 > - [Moved](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/17358) from GitLab Premium to GitLab Free in 10.7.
-> - Since version 11.1, we support direct_upload to S3.
+> - Since version 11.1, we support `direct_upload`.
 
 If you don't want to use the local disk where GitLab is installed to store the
 uploads, you can use an object storage provider like AWS S3 instead.